CVE-2026-35058: Openvpn

Medium severity, CVSS 6.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.

Affected products

• Openvpn Openvpn: from 2.6.0, before 2.6.20 (fixed in 2.6.20); from 2.7, before 2.7.2 (fixed in 2.7.2)

Published 2026-06-08. Last modified 2026-08-11.